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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.intellij.schema.findUsages;
import ai.vespa.intellij.schema.model.RankProfile;
import ai.vespa.intellij.schema.model.Schema;
import ai.vespa.intellij.schema.psi.SdRankProfileDefinition;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.progress.ProgressIndicatorProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.usageView.UsageInfo;
import com.intellij.util.Processor;
import java.util.HashSet;
import java.util.Set;
/**
* Finds the definition of a function.
*
* @author bratseth
*/
public class FunctionDefinitionFinder extends UsageFinder {
private final PsiElement referringElement;
private final String functionNameToFind;
private final Set<RankProfile> visited = new HashSet<>();
public FunctionDefinitionFinder(PsiElement referringElement, SearchScope scope, Processor<? super UsageInfo> processor) {
super(scope, processor);
this.referringElement = referringElement;
this.functionNameToFind = ReadAction.compute(() -> referringElement.getText());
}
public void findDefinition() {
SdRankProfileDefinition profileDefinition = ReadAction.compute(() -> PsiTreeUtil.getParentOfType(referringElement, SdRankProfileDefinition.class));
if (profileDefinition == null) return;
Schema schema = ReadAction.compute(() -> resolveSchema(profileDefinition));
RankProfile profile = ReadAction.compute(() -> schema.rankProfiles().get(profileDefinition.getName()));
findDefinitionAbove(profile);
}
private void findDefinitionAbove(RankProfile profile) {
ProgressIndicatorProvider.checkCanceled();
if ( ! visited.add(profile)) return;
ReadAction.compute(() -> findDefinitionIn(profile));
for (var parent : ReadAction.compute(() -> profile.parents().values()))
findDefinitionAbove(parent);
}
private boolean findDefinitionIn(RankProfile profile) {
for (var entry : profile.definedFunctions().entrySet()) {
// TODO: Resolve the right function in the list by parameter count
if (entry.getKey().equals(functionNameToFind) && entry.getValue().size() > 0)
processor().process(new UsageInfo(entry.getValue().get(0).definition()));
}
return true;
}
}
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